HEAVY DUTY KNIFE GATE VALVE, LUGGED, BI DIRECTIONAL
Cast CF8M Body, SS-316 Blade, PTFE Packing, NBR Seat, Rising Stem, Gearbox, CC, PN10
Contact
AVK Australia and New Zealand
559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry
Manually operated bi-directional lugged knife gate valve for applications with abrasive slurries, Pulp & Paper, Power Plants, Mining, Chemical Plants, Wastewater Treatment, Food & Beverage, etc. Size range: DN50-600 (larger sizes upon request). Work pressure: 10 bar.
The AVK series 779/22 is a bidirectional, lugged, heavy duty knife gate valve, designed for general industrial service applications, such as Pulp & Paper, Mining, Chemical Plants, Wastewater Treatment, etc. The gate body and seat assure non-clogging shut off on suspended solids.
| Variant 779/22-005 | |
|---|---|
| Material: | Stainless Steel |
| DN: | DN200 - DN600 |
| PN: | PN10 |
| Closing direction: | Clockwise Close |
Features
- Lug type one piece cast stainless steel body, larger sizes with reinforcing ribs providing the body with extra strength
- Stainless Steel 316 stem
- Port design as per MSS SP-81
- Stainless Steel 316 gate polished both sides to avoid jamming and seat damage
- Long life PTFE impregnated synthetic fibre plus EPDM o-ring packing with easy access and adjustable gland follower. Wide range of packing materials available
- RAL-5015 blue epoxy-coating on all cast iron/carbon steel components
Downloads
Reference nos. and dimensions:
| AVK ref. no. | DN mm |
Product PN Class |
I mm |
A mm |
B mm |
C mm |
H mm |
Theoretical weight / kg |
|---|---|---|---|---|---|---|---|---|
| 779-0200-22-0000024 | 200 | PN10 | 194 | 70 | 300 | 200 | 1029 | 49 |
| 779-0250-22-0000025 | 250 | PN10 | 239 | 70 | 300 | 200 | 1113 | 65 |
| 779-0300-22-0000034 | 300 | PN10 | 284 | 76 | 300 | 200 | 1235 | 85 |
| 779-0350-22-0000020 | 350 | PN10 | 322 | 76 | 450 | 270 | 1610 | 118 |
| 779-0400-22-0000015 | 400 | PN10 | 366 | 89 | 450 | 270 | 1720 | 148 |
| 779-0450-22-0000016 | 450 | PN10 | 400 | 89 | 450 | 270 | 1800 | 190 |
| 779-0500-22-0000012 | 500 | PN10 | 460 | 114 | 450 | 270 | 1895 | 236 |
| 779-0600-22-0000017 | 600 | PN10 | 530 | 114 | 450 | 270 | 2040 | 333 |
Components
| 1. | Body | Stainless steel CF8M |
| 2. | Gate | Stainless steel 316 |
| 3. | Sleeve | NBR rubber |
| 4. | Seat ring | Stainless steel CF8M |
| 5. | Packing | PTFE |
| 6. | Gland follower | Stainless steel CF8M |
| 7. | Stem | Stainless steel |
| 8. | Stem nut | Brass |
| 9. | Yoke | Stainless steel 316 |
| 10. | Spacer | Stainless steel |
| 11. | Gearbox with handwheel | Cast iron |
| 12. | Fasteners | Stainless steel A4 |
| 13. | Protection cover | Carbon steel, epoxy coated |
| 14. | Cap | Plastic |
Test/Approvals
- Seat: 1.1 x PN. Body: 1.5 x PN.
Standards
- Flange drilling to AS/NZS 4087 B5
